29142737 has 8 divisors (see below), whose sum is σ = 31441704. Its totient is φ = 26851968.

The previous prime is 29142721. The next prime is 29142779. The reversal of 29142737 is 73724192.

It can be written as a sum of positive squares in 4 ways, for example, as 25921 + 29116816 = 161^2 + 5396^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29142737 - 2⁴ = 29142721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29142697 and 29142706.

It is not an unprimeable number, because it can be changed into a prime (29142787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6773 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (3930213).

Almost surely, 2^29142737 is an apocalyptic number.

It is an amenable number.

29142737 is a deficient number, since it is larger than the sum of its proper divisors (2298967).

29142737 is a wasteful number, since it uses less digits than its factorization.

29142737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099.

The product of its digits is 21168, while the sum is 35.

The square root of 29142737 is about 5398.4013374331. The cubic root of 29142737 is about 307.7349190810.

The spelling of 29142737 in words is "twenty-nine million, one hundred forty-two thousand, seven hundred thirty-seven".